International Tower Hill Reports Final Holes from Winter Program and Start of Summer Drill Program at its Livengood Project, Alaska

Published: June 1, 2010

Vancouver, B.C........International Tower Hill Mines Ltd. ("ITH" or the "Company") - (TSX: ITH,NYSE-A: THM, Frankfurt: IW9) is pleased to announce the results for the final four holes from the 2010Winter drill program. The results continue to show expansion potential to the north of the Sunshine Zone(MK-RC-351, 55 metres @ 0.91 g/t gold, Table 1). Holes MK-RC-352 and MK-RC-353 were drilled 400metres northwest of the SW Zone and showed a continuation of the deposit in this direction. The resultsfrom the 2010 Winter program are being incorporated into an updated resource model anticipated to becompleted before the end of the second quarter.

The Livengood Summer 2010 drill program began June 1st and is scheduled to complete 45,000 metres ofresource expansion and development directed drilling, with 2 core and 3 reverse circulation drill rigsoperating. The Company will be continuing to address step-out resource expansion as well as a largemine development program directed at advancing the Livengood project towards a production decisionand the securing of necessary mining permits. The next step in this process is the initiation of a full scalepre-feasibility/mine development study which the Company has now initiated.